WO2020032754A1 - Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil - Google Patents

Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil Download PDF

Info

Publication number
WO2020032754A1
WO2020032754A1 PCT/KR2019/010173 KR2019010173W WO2020032754A1 WO 2020032754 A1 WO2020032754 A1 WO 2020032754A1 KR 2019010173 W KR2019010173 W KR 2019010173W WO 2020032754 A1 WO2020032754 A1 WO 2020032754A1
Authority
WO
WIPO (PCT)
Prior art keywords
sidelink
value
sss
pss
downlink
Prior art date
Application number
PCT/KR2019/010173
Other languages
English (en)
Korean (ko)
Inventor
윤성준
Original Assignee
주식회사 아이티엘
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 아이티엘 filed Critical 주식회사 아이티엘
Priority to EP19846704.5A priority Critical patent/EP3836649A4/fr
Priority to CN201980053334.6A priority patent/CN112567828A/zh
Publication of WO2020032754A1 publication Critical patent/WO2020032754A1/fr
Priority to US17/167,350 priority patent/US11588569B2/en
Priority to US18/153,291 priority patent/US11929825B2/en
Priority to US18/432,864 priority patent/US20240250767A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H04J13/0025—M-sequences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J2011/0096—Network synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present disclosure relates to a method and apparatus for transmitting and receiving sidelink synchronization signals in a wireless communication system, and specifically, to set and generate a sequence of sidelink synchronization signals in a new radio (NR) wireless communication system supporting various numerologies, and A method and apparatus for transmitting or receiving a synchronization signal on a link.
  • NR new radio
  • the 3rd Generation Partnership Project (3GPP) New Radio (NR) system is a time-frequency resource unit that considers various scenarios, service requirements, and potential system compatibility in order to meet the requirements for fifth generation (5G) communication.
  • a variety of numerology for the criteria can be supported.
  • the NR system attempts to overcome unfavorable channel conditions such as high path-loss, phase-noise, frequency offset, etc. occurring on a high carrier frequency. It can support the transmission of a physical signal or a physical channel through the beam of.
  • NR systems can support applications such as Enhanced Mobile Broadband (eMBB), Massive Machine Type Communications (MMTC), Ultra Machine Type Communications (uMTC), and Ultra Reliable and Low Latency Communications (URLLC).
  • eMBB Enhanced Mobile Broadband
  • MMTC Massive Machine Type Communications
  • uMTC Ultra Machine Type Communications
  • URLLC Ultra Reliable and Low Latency Communications
  • V2X communication refers to a communication method of exchanging or sharing information such as traffic conditions while communicating with road infrastructure and other vehicles while driving.
  • V2X is a vehicle-to-vehicle (V2V) for communication between vehicles, a vehicle-to-pedestrian (V2P) for communication between terminals carried by vehicles and individuals, and vehicles and roadside units (RSUs). It may include a V2I / N (vehicle-to-infrastructure / network) means communication between /) (network).
  • V2X communication uses a PC5 link (or sidelink) which is a terminal-to-terminal (D2D) communication interface, a Uu link (or an uplink and a downlink (or a communication interface) between the base station and the terminal. downlink)), or using both the PC5 link and the Uu link.
  • PC5 link or sidelink
  • D2D terminal-to-terminal
  • Uu link or an uplink and a downlink (or a communication interface) between the base station and the terminal. downlink
  • 5G sidelink technology is being discussed for the incorporation of new and diverse services such as autonomous driving or remote driving through the improvement of ultra high reliability and / or ultra low delay in 5G mobile communication.
  • the communication protocol on the 5G sidelink basically requires obtaining synchronization on the sidelink. So far, the definition of the synchronization reference on the 5G sidelink and the details of the setting and generation of the synchronization signal sequence according to the synchronization reference have not been determined.
  • An object of the present disclosure is to define a sidelink synchronization reference, and to provide a method and apparatus for setting and generating a synchronization signal sequence according to the sidelink synchronization reference.
  • a further technical problem of the present disclosure is to provide a method and apparatus for generating and transmitting an M-sequence-based synchronization signal sequence for each of the sidelink primary synchronization signal and the sidelink secondary synchronization signal.
  • a further technical problem of the present disclosure is to provide a method and apparatus for setting and generating a sidelink synchronization signal sequence for improving the performance of distinguishing from a downlink synchronization signal.
  • a method of transmitting a sidelink synchronization signal to a second terminal by a first terminal includes a number of types of physical layer sidelink synchronization identification sets and a set of physical layer sidelink synchronization identification sets.
  • a sidelink primary synchronization signal (PSS) sequence by applying a first initialization value to the first primitive polynomial; Applying a cyclic shift (CS) to the sidelink PSS sequence based on a value; Generating a sidelink Secondary Synchronization Signal (SSS) sequence by applying a second initialization value to each of the first and second primitive polynomials; And Applying a cyclic shift to the sidelink SSS sequence based on a value; And transmitting the CS-applied sidelink PSS and sidelink SSS sequences by mapping them on a physical resource, wherein the CS values for the first primitive polynomial, the second primitive polynomial, and the sidelink PSS sequence or the At least one of the CS values for the sidelink SSS sequence is a CS value for the first raw polynomial, a second raw polynomi
  • a method and apparatus for setting and generating a synchronization signal sequence according to a sidelink synchronization reference may be provided.
  • a method and apparatus for generating and transmitting an M-sequence based synchronization signal sequence for each of the sidelink primary synchronization signal and the sidelink secondary synchronization signal may be provided.
  • a method and apparatus for setting and generating a sidelink synchronization signal sequence that improves a performance of distinguishing from a downlink synchronization signal.
  • the raw polynomial or the cyclic shift value for the sidelink synchronization signal may be used to maximize the discrimination performance from the downlink synchronization signal while reducing the complexity of generating the sidelink synchronization signal.
  • 1, 2 and 3 are diagrams for explaining a V2X scenario related to the present invention.
  • FIG. 4 is a diagram illustrating a service provided based on a sidelink.
  • FIG. 5 is a diagram for describing a downlink synchronization signal in a wireless communication system.
  • FIG. 6 is a diagram for explaining an example of transmission through a plurality of beams in a synchronization signal transmission to which the present disclosure may be applied.
  • FIG. 7 is a diagram for explaining an example of a synchronization signal frame structure when considering transmission through a plurality of beams in synchronization signal transmission to which the present disclosure may be applied.
  • FIG. 8 is a diagram for describing an exemplary structure of a synchronization signal block to which the present disclosure may be applied.
  • FIG. 9 is a diagram for explaining a sidelink synchronization reference to which the present disclosure may be applied.
  • FIG. 10 is a diagram for explaining a method of transmitting a sidelink synchronization signal sequence according to the present disclosure.
  • FIG. 11 is a view for explaining a method of receiving a sidelink synchronization signal sequence according to the present disclosure.
  • FIG. 12 is a diagram illustrating a configuration of a first terminal device according to the present disclosure.
  • FIG. 13 is a diagram illustrating a configuration of a second terminal device according to the present disclosure.
  • a component when a component is “connected”, “coupled” or “connected” with another component, it is not only a direct connection, but also an indirect connection in which another component exists in the middle of the connection. It may also include.
  • a component when a component “includes” or “having” another component, it means that it may further include another component, without excluding the other component unless otherwise stated. .
  • first and second are used only for the purpose of distinguishing one component from other components, and do not limit the order or importance between the components unless specifically mentioned.
  • a first component in one embodiment may be referred to as a second component in another embodiment, and likewise, a second component in one embodiment may be referred to as a first component in another embodiment. It may also be called.
  • the components distinguished from each other are for clearly describing each feature, and do not necessarily mean that the components are separated. That is, a plurality of components may be integrated into one hardware or software unit, or one component may be distributed into a plurality of hardware or software units. Therefore, even if not mentioned otherwise, such integrated or distributed embodiments are included in the scope of the present disclosure.
  • components described in various embodiments are not necessarily required components, and some may be optional components. Accordingly, embodiments that consist of a subset of the components described in one embodiment are also included in the scope of the present disclosure. In addition, embodiments including other components in addition to the components described in the various embodiments are included in the scope of the present disclosure.
  • the present disclosure is directed to a wireless communication network, the operation of the wireless communication network is performed in the process of controlling the network and transmitting or receiving a signal in a system (for example, a base station) that manages the wireless communication network, In the process of transmitting or receiving a signal in a terminal coupled to a wireless network.
  • a system for example, a base station
  • a 'base station (BS)' may be replaced by terms such as a fixed station, a Node B, an eNodeB (eNB), a gNodeB (gNB), an access point (AP), and the like.
  • eNB eNodeB
  • gNB gNodeB
  • AP access point
  • UE user equipment
  • MS mobile station
  • MSS mobile subscriber station
  • SS subscriber station
  • non-AP STA non-AP
  • transmitting or receiving a channel includes transmitting or receiving information or a signal through the channel.
  • transmitting a control channel means transmitting control information or a signal through the control channel.
  • transmitting a data channel means transmitting data information or a signal over the data channel.
  • D2D Device to Device (communication)
  • GNSS Global Navigation Satellite System
  • PSSCH Physical Sidelink Shared Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • PSCCH Physical Sidelink Control Channel
  • PSDCH Physical Sidelink Discovery Channel
  • PSSID Physical-layer Sidelink Synchronization Identity (Sidelink Identity)
  • nIDSA Sidelink group destination identity
  • NIDSL Physical layer sidelink synchronization identity
  • V2V Vehicle to Vehicle
  • V2P Vehicle to Pedestrian
  • V2I / N Vehicle to Infrastructure / Network
  • the 5G system may be defined to include not only an NR system but also an existing Long Term Evolution (LTE) series system. That is, the 5G system may include not only a case where the NR radio access technology is applied alone, but also a case where the LTE series radio access technology and the NR radio access technology are applied together.
  • the 5G sidelink technology may be said to include both NR alone or sidelink technology to which the LTE series and NR are applied together.
  • control information transmitted from a terminal to another terminal may be referred to as SA.
  • SA control information transmitted from a terminal to another terminal
  • SCI sidelink
  • the control information may be referred to as SCI.
  • the control information may be transmitted through the PSCCH.
  • data transmitted from a terminal to another terminal may be configured in TB units. At this time, the data may be transmitted through the PSSCH.
  • the operating mode is defined according to the resource allocation method for data transmission and control information for V2X communication or direct link (eg, D2D, ProSe, or SL) communication at the start.
  • an eNodeB or a relay node schedules resources used by a terminal to transmit V2X (or direct link) control information and / or data.
  • a terminal transmits the V2X (or direct link) control information and / or data.
  • the base station or relay node V2X (or direct link) to the scheduling information for the resource to be used for the V2X (or direct link) control information and / or data transmission through the downlink control information (DCI). It can be provided to the transmitting terminal.
  • DCI downlink control information
  • the V2X (or direct link) transmitting terminal transmits V2X (or direct link) control information and data to the V2X (or direct link) receiving terminal, and the V2X (or direct link) receiving terminal is V2X (or direct link).
  • V2X (or direct link) data may be received based on the control information.
  • the UE selects resources used by the UE to transmit the control information and data, and the resource selection is performed by a resource pool (ie, a resource).
  • a set of candidates) refers to a mode in which a terminal is determined by sensing or the like, and thus the terminal transmits the control information and data.
  • a V2X (or direct link) transmitting terminal transmits V2X (or direct link) control information and data to a V2X (or direct link) receiving terminal on a resource selected by the V2X (or direct link) receiving terminal.
  • V2X (or direct link) data may be received based on the V2X (or direct link) control information.
  • the base station resource scheduling mode may be referred to as mode 1 in direct link communication and mode 3 in V2X communication.
  • the UE autonomous resource selection mode may be referred to as mode 2 in direct link communication and mode 4 in V2X communication.
  • V2X communication As an example, but the scope of the present invention is not limited to V2X communication, and embodiments of the present invention are applicable to direct link-based communication such as D2D, ProSe, and SL communication. Can be.
  • V2X is a generic term for V2V, V2P, and V2I / N, and each of V2V, V2P, and V2I / N may be defined as shown in Table 1 below in connection with Long Term Evolution (LTE) communication.
  • LTE Long Term Evolution
  • V2X communication may include PC5 based communication, which is a D2D communication link (ie, a direct interface between two devices supporting ProSe).
  • PC5 based communication is a D2D communication link (ie, a direct interface between two devices supporting ProSe).
  • various scenarios such as Tables 2, 3, and 4 below are considered with reference to FIGS. 1, 2, and 3.
  • 1, 2 and 3 are diagrams for explaining a V2X scenario related to the present invention.
  • Table 2 and FIG. 1 show scenarios supporting V2X operation based only on the PC5 interface (or SL).
  • 1A illustrates a V2V operation, (b) a V2I operation, and (c) a V2P operation.
  • Table 3 and FIG. 2 show a scenario supporting V2X operation based only on a Uu interface (ie, an interface between a UE and a BS).
  • A) of FIG. 2 shows a V2V operation
  • (b) shows a V2I operation
  • (c) shows a V2P operation.
  • Tables 4 and 3 show scenarios that support V2X operation using both the Uu interface and the PC5 interface (or SL).
  • (A) of FIG. 3 shows scenario 3A of Table 4
  • (b) shows scenario 3B of Table 4.
  • FIG. 4
  • V2X communication may be performed through a base station or may be performed through direct communication between terminals.
  • transmission and reception may be performed through a Uu link, which is a communication interface between an LTE base station and a terminal in an LTE-based V2X communication. Transmission and reception can be made via a PC5 link, a communication interface between the two.
  • LTE communication from a base station to a terminal is called downlink (DL), and communication from a terminal to a base station is called uplink (UL).
  • DL downlink
  • UL uplink
  • SL sidelink
  • the first technology item applied by utilizing PC5-based sidelink communication in LTE is D2D, public safety and commercial communication (Prose).
  • the next technology item applying the PC5-based sidelink communication in LTE is V2X, which is a communication for a vehicle.
  • FIG. 4 is a diagram illustrating a service provided based on a sidelink.
  • V2X related services or Internet of Things (IoT) services may be provided based on 5G sidelinks.
  • the 5G sidelink may be a concept including both sidelinks based on the existing LTE system and sidelinks considering the NR system. That is, the service may be provided in consideration of the side link applied in each system, and is not limited to the above-described embodiment.
  • a group driving, autonomous driving, advanced sensor, and remote driving service may be provided.
  • the group driving may be a technique in which a plurality of vehicles dynamically form a group and operate similarly.
  • autonomous driving may be a technique for driving a vehicle based on fully automated, semi-automated.
  • the evolved sensor may be a technology for collecting and exchanging data obtained from a sensor or a video image.
  • the remote driving may be a technology for the technology and applications for remote control of the vehicle.
  • the above-described services can be provided as a service based on V2X.
  • the above-described service is only one example and is not limited to the above-described embodiment.
  • requirements such as ultra low delay, ultra connection, low power, and high reliability may be required. Accordingly, in 5G sidelink, there is a need for an operation method for satisfying the aforementioned service and its requirements.
  • FIG. 5 is a diagram for describing a downlink synchronization signal in a wireless communication system.
  • two types of synchronization signals can be defined.
  • two types of synchronization signals may include a Primary Synchronization Signal (NR-PSS) and a Secondary Synchronization Signal (NR-SSS).
  • NR-PSS Primary Synchronization Signal
  • NR-SSS Secondary Synchronization Signal
  • the NR-PSS may be used for synchronization for an initial symbol boundary for an NR cell.
  • the NR-SSS may be used to detect an NR cell ID.
  • a bandwidth for transmission of PSS / SSS and / or physical broadcast channel (PBCH) is 1.08 corresponding to six physical resource blocks (PRBs). Defined in MHz.
  • NR systems can use a wider transmission bandwidth than previous wireless communication systems to transmit NR-PSS / SSS and / or Physical Broadcast CHannel (NR-PBCH), for which subcarrier spacing greater than 15 kHz Can be used.
  • NR-PBCH Physical Broadcast CHannel
  • one of 15Khz and 30Khz can be considered as the default SCS.
  • one of 120Khz and 240Khz can be considered the default SCS.
  • the default SCS set and minimum carrier bandwidth assumed by the terminal during initial access may be defined as follows.
  • the terminal may basically assume a bandwidth of 15 kHz SCS and 5 MHz, and may assume a bandwidth of 30 kHz SCS and 10 MHz in a specific band.
  • the terminal may assume a bandwidth of 120kHz SCS and 10MHz.
  • SCS supported for data and / or control information according to a specific frequency band may be defined as follows. When operating below 1 GHz, SCS of 15 kHz, 30 kHz, and 60 kHz may be supported. When operating between 1 GHz and 6 GHz, SCS of 15 kHz, 30 kHz, and 60 kHz may be supported. When operating between 24 GHz and 52.6 GHz, SCS of 60 kHz and 120 kHz may be supported, and 240 kHz may not be supported for data. Supported SCS may be determined according to the band.
  • the NR-PSS, NR-SSS and / or NR-PBCH may be transmitted in a Synchronization Signal (SS) block.
  • SS Synchronization Signal
  • the SS block means a time-frequency resource region including all of NR-PSS, NR-SSS, and / or NR-PBCH.
  • One or more SS blocks may constitute an SS burst.
  • One SS burst may be defined to include a predetermined number of SS blocks, which may be referred to as a duration of SS bursts.
  • one or more SS blocks within one SS burst may be continuous or discontinuous.
  • one or more SS blocks in one SS burst may be the same or different from each other.
  • One or more SS bursts may constitute an SS burst set.
  • One SS burst set may be defined to include a predetermined period and a predetermined number of SS bursts.
  • the number of SS bursts in the SS burst set may be defined as finite.
  • the transmission time of the SS burst set may be defined periodically or may be defined aperiodically.
  • one or more subcarrier spacings may be predefined for each of the synchronization signals (eg, NR-PSS, NR-SSS, NR-PBCH).
  • the applicable SCS may be one or more of 15, 30, 120 or 240 kHz.
  • SCS for NR-PSS, NR-SSS, or NR-PBCH may be the same.
  • one or more frequency ranges may be given, and different frequency ranges may overlap each other.
  • one neurology may be defined for a specific frequency range, or a plurality of neurology may be defined. Accordingly, one or a plurality of subcarrier spacings (SCSs) may be defined for a particular frequency range.
  • SCSs subcarrier spacings
  • the transmission of the SS burst set may be periodic from the viewpoint of the terminal.
  • FIG. 6 is a diagram for explaining an example of transmission through a plurality of beams in a synchronization signal transmission to which the present disclosure may be applied.
  • synchronization signals in order to overcome unfavorable channel conditions such as high path-loss, phase-noise, frequency offset, etc. that occur on high carrier frequencies. Consideration is given to transmission via a plurality of beams in a random access signal and a broadcast channel.
  • FIG. 6 shows how the beam is transmitted in an SS burst composed of one SS block or a plurality of SS blocks.
  • FIG. 6A illustrates an example in which one beam is applied to each SS block, and in general, an analog beamforming method is applied.
  • the number of beams that can be applied is usually limited by the number of RF chains.
  • FIG. 6 (b) shows that two beams are applied to each SS block, and in general, it may be implemented when a digital beamforming method or a hybrid beamforming method is applied.
  • the advantage of this approach is that beam sweeping is possible to cover the target coverage area in less time. Therefore, the network resource consumption efficiency can be improved by consuming fewer SS blocks than FIG. 6 (a).
  • FIG. 7 is a diagram for explaining an example of a synchronization signal frame structure when considering transmission through a plurality of beams in synchronization signal transmission to which the present disclosure may be applied.
  • one or more beam transmissions may be applied to the same SS block in an NR system.
  • SS block transmission to which different beam patterns are applied may be transmitted to satisfy a target coverage area through beam sweeping.
  • a target coverage area is defined as one or more beam transmissions and each beam transmission is based on the beam width / azimuth intended by the base station. Means to be transmitted to cover.
  • a synchronization signal may be transmitted by using one or a plurality of beams per SS block.
  • At least one of NR-PSS, NR-SSS and NR-PBCH may be transmitted in one SS block.
  • one SS block corresponds to N OFDM symbols defined according to the default SCS.
  • one or a plurality of SS blocks may be configured as one SS burst.
  • SS blocks constituting one SS burst may be allocated continuously or discontinuously in the time or frequency domain.
  • one or a plurality of SS bursts may be configured as one SS burst set.
  • the transmission of the SS burst set is periodic from the UE perspective, and the UE assumes a default transmission period value during at least initial cell selection for each specific carrier frequency.
  • the terminal may receive updated information regarding the SS burst set transmission period from the base station.
  • the UE may derive a symbol / slot index and a radio frame index.
  • the symbol / slot index and radio frame index according to the time index of each SS block may be fixed and defined in advance. Therefore, when the time index of each SS block is known, the frame / symbol timing of each SS block can be known through the relationship between the SS block time index for each SS block and the symbol / slot and radio frame index which are fixed in advance. This allows you to know the full frame / symbol timing.
  • the SS block time index may be defined as 1) an SS burst index is defined within an SS burst set, a time index for one SS block is defined for each SS block within an SS burst, and 2) an SS burst is defined.
  • a time index for one SS block may be defined for each SS block in the set.
  • the transmission of SS blocks within an SS burst set may be limited to a 5ms window regardless of the SS burst set period.
  • the number of possible candidates of the SS block position within the 5ms window may be given as L.
  • the default value for the SS burst set period may be set to 20 ms.
  • FIG. 8 is a diagram for describing an exemplary structure of a synchronization signal block to which the present disclosure may be applied.
  • NR-PSS, NR-SSS and / or NR-PBCH may exist in one SS block.
  • One SS block may correspond to four OFDM symbols in the time domain and may correspond to 20 PRBs in the frequency domain.
  • NR-PSS can be mapped to the middle 12 PRBs of the first symbol in the SS block
  • NR-SSS can be mapped to the middle 12 PRBs of the third symbol
  • a total of 20 of each of the second and fourth symbols NR-PBCH may be mapped to the PRB.
  • four PRBs may be additionally mapped to both ends of the third symbol of the SS block.
  • DM-RS demodulation reference signal
  • DM-RS demodulation reference signal
  • the SCS supported for the SS block may be 15 kHz and 30 kHz when operating at 6 GHz or less, and 120 kHz and 240 kHz when operating at 6 GHz or more.
  • NR-PSS There may be a total of three NR-PSS sequences. If the NR-PSS is configured on a pure Binary Phase Shift Keying (MPS) M-sequence basis in the frequency domain, it is a primitive polynomial. A total of three NR-PSS sequences can be obtained by performing a cyclic shift on the frequency domain by 0, 43, and 86, respectively. In this case, the shift register value used when generating a sequence through the primitive polynomial may be 11101110 when expressed in binary. In this case, the sequence length of the NR-PSS may be 127, which may be continuously mapped to a total of 127 subcarriers.
  • MPS Binary Phase Shift Keying
  • NR-SSS may also be configured based on pure Binary Phase Shift Keying (BPSK) M-sequence in the frequency domain.
  • BPSK Binary Phase Shift Keying
  • the sequence length of the NR-SSS may be equal to 127 as in the NR-PSS, which may be continuously mapped to a total of 127 subcarriers.
  • PCIDs physical cell IDs
  • the number of NR-SSS sequences should be about 1000.
  • M-sequences can be generated based on irreducible primitive polynomials on GF (2). Length We can generate an M-sequence based on one of the 18 indivisible primitive polynomials as shown in Table 5.
  • a raw polynomial as shown in Table 5 In the case of using 131 in decimal, 211 in octal, and 10001001 in binary, M-sequence can be generated in the following manner.
  • x (i) is M-sequence, 0 ⁇ i ⁇ 126.
  • Part is x3 in the raw polynomial, The part corresponds to 1 in the primitive polynomial.
  • the initialization values x (0), x (1), x (2), x (3), x (4), x (5), and x (6) are 0, 0, 0, 0,
  • other initialization values may be used.
  • the generated M-sequence can be modulated as shown in Equation 2 below when expressed in BPSK. If the sequence value of the M-sequence is 0, the value is 1 when modulating with BPSK. If the sequence value of the M-sequence is 1, the value may be -1 when modulating with BPSK.
  • Equation 3 the sequence of Equation 2 Cyclic shift by m to generate a total of 127 sequences. This is because there are a total of 127 possible values of m from 0 to 126.
  • an NR-SSS sequence mapped to each of 127 consecutive sub-carriers on the frequency axis for one symbol in one SS block is in this case. Is equivalent to.
  • Equation 4 The correlation value of the BPSK M-sequence generated in the above manner is represented by Equation 4 below.
  • N is 127 corresponding to the length of the M-sequence according to the example of Equation 1 to Equation 3 above. That is, as shown in Equation 4, the correlation value between the sequences having the same cyclic shift (that is, the correlation value with oneself) is N, and otherwise, the difference is -1, which is very excellent, so a very good correlation characteristic Will have
  • a plurality of indivisible primitive polynomials may be used instead of using one indivisible primitive polynomial as described through Equations 1 to 3 above.
  • one of a total of 18 indivisible primitive polynomials can be used to generate an M-sequence of length 127, so up to K primitive polynomials can be used as shown below. There will be.
  • M-sequence generated from x0 (i) through the first primitive polynomial Is called M-sequence generated through the second primitive polynomial, and in the same way If M is the M-sequence generated through the k + 1 primitive polynomial (where 0 ⁇ k ⁇ K ⁇ 1 and the maximum value of K is 18), a total of 127 * K sequences can be generated.
  • the k + 1 primitive polynomial may be one of eighteen primitive polynomials of Table 5.
  • M-sequence from each primitive polynomial The method of generating may follow the method described through Equation 1.
  • the generated M-sequence can be modulated as shown in Equation 5 below when expressed in BPSK. If the sequence value of the M-sequence is 0, the value is 1 when modulating with BPSK. If the sequence value of the M-sequence is 1, the value is -1 when modulating with BPSK.
  • Equation 7 The correlation value of the BPSK M-sequence generated in the above manner is expressed by Equation 7 below.
  • the maximum absolute value of the correlation value according to Equation 7 (where the maximum absolute value is the maximum absolute value among those except the correlation value with oneself) is 41, and the value is 1 (-1) in Equation 4 Since the difference is less than 127 compared to 1), the maximum number of sequences can be generated up to 127 * K, so that about 1000 NR physical cell IDs can be distinguished enough, but the correlation characteristics are not good. There is this.
  • sequences having superior correlation characteristics are generated when generating an M-sequence based on a maximum connected set of M-sequences.
  • the maximum connected set of M-sequences may have a total of 18 sets for the M-sequence of length 127 as shown in Table 6.
  • the primitive polynomials in Table 6 are expressed in octal form for the primitive polynomials in Table 5.
  • M-sequence generated through the first primitive polynomial Is called M-sequence generated through the second primitive polynomial, and in the same way If M is the M-sequence generated through the k + 1 primitive polynomial (where 0 ⁇ k ⁇ K-1), the maximum value of K is different from the aforementioned method through Equation 5 and Equation 6. Is 6, and each primitive polynomial must be primitive polynomials belonging to the maximum connected set mentioned in Table 6 above.
  • the primitive polynomial should be one of 211, 217, 277, 323, 203, and 253 in octal notation.
  • the physical cell ID in the NR system ranges from 0 to 1007 and may have one of 1008 distinct values. Physical cell ID is Can be written as It can be defined as.
  • NR-SSS Can be given by NR-PSS. That is, the base station transmitting the synchronization signal has its own physical cell ID value ( ) And Values may be determined and NR-SSS and NR-PSS sequences may be generated and transmitted based on each.
  • NR-PSS may be generated using a frequency domain-based pure BPSK M-sequence.
  • the NR-PSS sequence length may have a length of 127 in the case of frequency domain-based pure BPSK M-sequences.
  • the NR-SSS sequence may be generated using one polynomial to which 112 cyclic shifts are applied and one additional polynomial to which nine cyclic shifts are applied.
  • mo may have a value of one of nine cases of 0, 5, 10, 15, 20, 25, 30, 35, 40
  • m1 may have a value of one of 112 cases of 0 to 111.
  • a possible combination of m0 and m1 may correspond to 1008 cell IDs (ie, PCIDs) in total.
  • the NR-PSS and NR-SSS generated as described above may be mapped on time-frequency resources of the SS block.
  • the NR-PSS is mapped to the time position of one particular symbol of the SS block, on 127 consecutive subcarriers in the frequency domain, and the NR-SSS is located at the time position of another particular one symbol of the SS block, Mapped onto 127 consecutive subcarriers in the domain.
  • the NR-PSS or NR-SSS sequence may not be mapped to 127 subcarriers among 144 subcarriers, and 8 subcarriers on a low frequency side and 9 subcarriers on a high frequency side.
  • FIG. 9 is a diagram for explaining a sidelink synchronization reference to which the present disclosure may be applied.
  • a first terminal 910 is located in a network coverage 905 of a base station 900, and a second terminal 920, a third terminal 930, and a second terminal are located outside the network coverage 905. Assume that the fourth terminal 940 and the fifth terminal 950 are located.
  • the wireless communication system of FIG. 9 may be a 5G network that supports not only NR but also LTE series (that is, a wireless access technology that improves LTE and LTE).
  • the base station 900 may be a gNB or an eNB.
  • the wireless communication system of FIG. 9 may include a case in which the NR system operates independently and a case in which the NR and the LTE series operate together.
  • the sidelink technology of the wireless communication system may include both the NR sidelink technology and the LTE series sidelink technology.
  • the sidelink synchronization reference may be classified into various types.
  • a physical layer sidelink synchronization identity set for the corresponding sidelink synchronization signal may be distinguished and defined according to the classification of the sidelink synchronization reference.
  • the synchronization reference can be divided into two types.
  • the second terminal 920 performs synchronization using the synchronization signal from the first terminal 910, and the first terminal 910 synchronizes using the synchronization signal from the base station 900 in coverage. As a result, the second terminal 920 eventually has the entity in the coverage as a source of synchronization.
  • the third terminal 930 performs synchronization using a synchronization signal from the second terminal 920, and the second terminal 920 performs synchronization using an equalization signal from the first terminal 910. Since the first terminal 910 performs synchronization using the synchronization signal from the base station 900, the third terminal 930 eventually has the entity in the coverage as a source of synchronization.
  • the synchronization reference of the sidelink 915 between the first terminal 910 and the second terminal 920, or the synchronization reference of the sidelink 925 between the second terminal 920 and the third terminal 930 may be It may be referred to as a synchronization reference of the first type.
  • the out of coverage fifth terminal 940 performs synchronization using a synchronization signal from the out of coverage fourth terminal 940.
  • the synchronization reference of the sidelink 945 between the fourth terminal 940 and the fifth terminal 950 may be referred to as a second type of synchronization reference.
  • the sidelink synchronization identification set corresponding to the first type of synchronization reference may be referred to as id_net, and the sidelink synchronization identification set corresponding to the second type of synchronization reference may be referred to as id_oon. That is, id_net may be applied to the first sidelink 915 and the second sidelink 925, and id_oon may be applied to the third sidelink 945.
  • the synchronization reference may be divided into three types.
  • the second terminal 920 performs synchronization using the synchronization signal from the first terminal 910, and the first terminal 910 synchronizes using the synchronization signal from the base station 900 in coverage.
  • the second terminal 920 eventually has the entity in the coverage as a source of synchronization.
  • the first terminal 910 is located in coverage and the second terminal 920 is located out of coverage.
  • the synchronization reference of the sidelink 915 between the first terminal 910 and the second terminal 920 may be referred to as a first type synchronization reference.
  • the third terminal 930 performs synchronization using the synchronization signal from the second terminal 920, and the second terminal 920 synchronizes using the equalization signal from the first terminal 910. Since the first terminal 910 performs synchronization using the synchronization signal from the base station 900, the third terminal 930 eventually has the entity in the coverage as a source of synchronization. In addition, both the second terminal 920 and the third terminal 930 are located out of coverage. In this case, the synchronization reference of the sidelink 925 between the second terminal 920 and the third terminal 930 may be referred to as a second type of synchronization reference.
  • the out of coverage fifth terminal 940 performs synchronization using a synchronization signal from the out of coverage fourth terminal 940.
  • the synchronization reference of the sidelink 945 between the fourth terminal 940 and the fifth terminal 950 may be referred to as a third type synchronization reference.
  • the sidelink synchronization identification set corresponding to the first type of synchronization reference may be referred to as id_net_1, and the sidelink synchronization identification set corresponding to the second type of synchronization reference may be referred to as id_net_2 and correspond to the third type of synchronization reference.
  • the sidelink synchronization identification set may be referred to as id_oon. That is, id_net_1 may be applied to the first sidelink 915, id_net_2 may be applied to the second sidelink 925, and id_oon may be applied to the third sidelink 945.
  • the synchronization reference may be divided into three types, depending on whether the source of synchronization is an entity in or out of network coverage, and the type of radio access technology that the source of synchronization follows.
  • the source of synchronization of the second terminal 920 or the third terminal 930 is an entity located within coverage and according to the first type of radio access technology (eg, gNB of an NR system), this may be the case. It may be referred to as a first type synchronization reference.
  • the base station 900 of FIG. 9 is a gNB
  • the sidelink 915 between the first terminal 910 and the second terminal 920 or the second terminal 920 and the third terminal 930 may be referred to as a synchronization reference of the first type.
  • the source of synchronization of the second terminal 920 or the third terminal 930 is within coverage and is an entity (e.g., eNB of LTE series system) according to the second type of radio access technology, It is a two-type synchronization reference.
  • the base station 900 of FIG. 9 is an eNB
  • the synchronization reference of the side link 925 may be referred to as a second type of synchronization reference.
  • the out of coverage fifth terminal 940 performs synchronization using a synchronization signal from the out of coverage fourth terminal 940.
  • the synchronization reference of the sidelink 945 between the fourth terminal 940 and the fifth terminal 950 may be referred to as a third type synchronization reference.
  • the sidelink synchronization identification set corresponding to the first type of synchronization reference may be referred to as id_net_1, and the sidelink synchronization identification set corresponding to the second type of synchronization reference may be referred to as id_net_2 and correspond to the third type of synchronization reference.
  • the sidelink synchronization identification set may be referred to as id_oon. That is, id_net_1 may be applied to the first sidelink 915, id_net_2 may be applied to the second sidelink 925, and id_oon may be applied to the third sidelink 945.
  • two or three types may be defined as the type of the synchronization reference or the type of the physical layer sidelink synchronization identification set.
  • id_net may be defined as a synchronization reference for an object in network coverage
  • id_oon may be defined as a synchronization reference for an entity outside network coverage.
  • id_net_1 for the case where sidelink synchronization signals are sent from within coverage to out of coverage
  • entities within network coverage as synchronization reference Id_net_2 for the case where the sidelink synchronization signal is transmitted out of coverage
  • id_oon based on synchronization criteria for an entity out of network coverage may be defined.
  • id_net_1 which uses the entity according to the first type of radio access technology in network coverage as a synchronization reference, and the entity according to the second type of radio access technology in network coverage.
  • Id_net_2 may be defined, and id_oon based on synchronization criteria may be defined.
  • FIG. 10 is a diagram for explaining a method of transmitting a sidelink synchronization signal sequence according to the present disclosure.
  • the sidelink synchronization signal transmission method of FIG. 10 may be performed by a sidelink transmission terminal (hereinafter, referred to as a transmission terminal).
  • step S1010 the transmitting terminal is a SLID (sidelink identity) corresponding to the physical layer sidelink synchronization identification information or On the basis of And The value can be determined.
  • SLID sidelink identity
  • the physical layer sidelink synchronization identification set consists of two types (eg, id_net and id_oon in the example of FIG. 9), or three types (eg, FIG. 9 may include a case consisting of id_net_1, id_net_2, and id_oon.
  • each type of physical layer sidelink synchronization identification set (eg, each of id_net and id_oon in the example of FIG. 9, or each of id_net_1, id_net_2 and id_oon) represents 168 sequences.
  • the case may include 336 sequences, 504 sequences, or 1008 sequences.
  • the SLID value and the corresponding And The value can be determined.
  • the transmitting terminal may generate a Primary Sidelink Synchronization Signal (NR-PSSS) sequence by applying a first initialization value to the first primitive polynomial.
  • the transmitting terminal may determine a cyclic shift (CS) value to be applied to the generated NR-PSSS sequence based on the NID (2) value and apply CS to the NR-PSSS.
  • NR-PSSS Primary Sidelink Synchronization Signal
  • the NR sidelink synchronization signal sequence is applied to the NR sidelink synchronization signal sequence by applying that the first primitive polynomial used for generating the NR-PSSS sequence is distinguished from the first primitive polynomial applied to the NR downlink synchronization signal sequence. It may be distinguished from the downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence is distinguished from the NR downlink synchronization signal sequence. You may.
  • step S1030 the transmitting terminal generates a first Secondary Sidelink Synchronization Signal (NR-SSSS) sequence by applying a second initialization value to the first primitive polynomial, and applies a second initialization value to the second primitive polynomial to apply the second NR-.
  • SSSS sequence can be generated.
  • various examples of the present disclosure distinguish one or more of the first and / or second primitive polynomials used to generate the NR-SSSS sequence from one or more of the first or second primitive polynomials applied to the NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the transmitting terminal may determine a cyclic shift (CS) value to be applied to the generated first NR-SSSS sequence based on the values of NID (1) and NID (2) and apply CS to the first NR-SSSS. have.
  • the transmitting terminal may determine a cyclic shift (CS) value to be applied to the generated second NR-SSSS sequence based on the values of NID (1) and NID (2) and apply CS to the second NR-SSSS. .
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the transmitting terminal may generate an NR-PSSS modulation symbol by BPSK-modulating the NR-PSSS sequence to which CS is applied.
  • the transmitting terminal may generate a NR-SSSS modulation symbol by multiplying the result of BPSK modulation on the first NR-SSSS sequence to which CS is applied and the result of BPSK modulation on the second NR-SSSS sequence to which CS is applied.
  • the transmitting terminal maps an NR-PSSS modulation symbol on a contiguous subcarrier on a frequency in one symbol in one SS block, and frequency NR-SSSS modulation symbol in another symbol in the one SS block. Can be mapped onto contiguous subcarriers.
  • the transmitting terminal may generate and transmit a synchronization signal based on the modulation symbol mapped on the time-frequency resource.
  • FIG. 11 is a view for explaining a method of receiving a sidelink synchronization signal sequence according to the present disclosure.
  • the method of receiving a sidelink synchronization signal of FIG. 11 may be performed by a sidelink receiving terminal (hereinafter, referred to as a receiving terminal).
  • the receiving terminal may receive a synchronization signal from the transmitting terminal.
  • the receiving terminal detects an NR-PSSS modulation symbol mapped to contiguous subcarriers on a frequency in one symbol in one SS block from the synchronization signal, and the contiguous sub on a frequency in another symbol in the one SS block.
  • An NR-SSSS modulation symbol mapped to carriers can be detected.
  • the receiving terminal may determine the NR-PSSS sequence to which the CS is applied from the detected NR-PSSS modulation symbol. Also, the receiving terminal may determine the first NR-SSSS sequence to which CS is applied and the second NR-SSSS sequence to which CS is applied from the detected NR-SSSS modulation symbol.
  • the receiving terminal may calculate the NID (2) value from the first raw polynomial and the CS value applied to the determined NR-PSSS sequence.
  • the NR sidelink synchronization signal sequence is applied to the NR sidelink synchronization signal sequence by applying that the first primitive polynomial used for generating the NR-PSSS sequence is distinguished from the first primitive polynomial applied to the NR downlink synchronization signal sequence. It may be distinguished from the downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence is distinguished from the NR downlink synchronization signal sequence. You may.
  • the receiving terminal can know in advance what the first raw polynomial and the candidate CS values applicable to the generation of the NR-PSSS sequence are, it is checked from the NR-PSSS sequence determined in step S1120 what CS value is applied to the corresponding NR-PSSS.
  • the NID (2) value can be calculated from the identified CS value.
  • the receiving terminal may calculate an NID (1) value from the CS value applied to the determined first NR-SSSS sequence and the CS value applied to the second NR-SSSS sequence.
  • one or more of the first or second primitive polynomials used to generate the NR-SSSS sequence is distinguished from one or more of the first or second primitive polynomials applied to the NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • a CS value for a first NR-SSSS sequence or a CS value for a second NR-SSSS sequence is distinguished from a CS value applied to an NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the receiving terminal can know in advance what the first and second raw polynomials and the candidate CS values are applicable to generate the first and second NR-SSSS sequences, respectively, from the first and second NR-SSSS sequences determined in step S1120, respectively.
  • step S1150 the receiving terminal is calculated And SLID from the value (or ) Value can be determined.
  • the physical layer sidelink synchronization identification set consists of two types (eg, id_net and id_oon in the example of FIG. 9), or three types (eg, FIG. 9 may include a case consisting of id_net_1, id_net_2, and id_oon.
  • each type of physical layer sidelink synchronization identification set (eg, each of id_net and id_oon in the example of FIG. 9, or each of id_net_1, id_net_2 and id_oon) represents 168 sequences.
  • the case may include 336 sequences, 504 sequences, or 1008 sequences.
  • the receiving terminal can know in advance what is the number of physical layer sidelink synchronization identification sets and the number of synchronization signal sequences included in each identification set, And The SLID value corresponding to the value may be determined.
  • Examples of the present disclosure include examples of the number of physical layer sidelink synchronization identification sets (ie, embodiment A series), examples of the number of sequences included in the physical layer sidelink synchronization identification set (ie, embodiment B series ), Various combinations of examples (ie, embodiment C series) for the type of NR sidelink synchronization signal sequence resource used to distinguish the NR sidelink synchronization signal sequence from the NR downlink synchronization signal sequence.
  • the embodiment A series may include a case where the physical layer sidelink synchronization identification set is configured in two types (embodiment A1), and a case configured in three types (embodiment A2).
  • a case containing 504 sequences (example B3), and a case containing 1008 ( 504 * 2) sequences (example B4).
  • Embodiment C sequence is NR when the type of NR sidelink synchronization signal sequence resource used to distinguish the NR sidelink synchronization signal sequence from the NR downlink synchronization signal sequence is a CS value applied to NR-PSSS (Embodiment C1).
  • the CS value applied to SSSS (Example C2), the primitive polynomial included in NR-PSSS (Example C3), and the primitive polynomial applied to NR-SSSS (Example C4). have.
  • embodiment C series may further include embodiments corresponding to two or more combinations of C1 to C4.
  • the CS value applied to the NR-PSSS is defined to be distinct from the CS value applied to the NR downlink PSS, and the CS value applied to the NR-SSSS is distinguished from the CS value applied to the NR downlink SSS. It can also be defined.
  • the primitive polynomial applied to NR-PSSS may be defined to be distinct from the primitive polynomial applied to NR downlink PSS, and the primitive polynomial applied to NR-SSSS may be defined to be distinguished from the primitive polynomial applied to NR downlink SSS. It may be.
  • the primitive polynomial applied to the NR-PSSS may be defined differently from the primitive polynomial applied to the NR downlink PSS, and the CS value applied to the NR-SSSS may be defined differently from the CS value applied to the NR downlink SSS. It may be.
  • the CS value applied to the NR-PSSS may be defined differently from the CS value applied to the NR downlink PSS, and the raw polynomial applied to the NR-SSSS may be defined differently from the raw polynomial applied to the NR downlink SSS. Can be.
  • the primitive polynomial and CS value applied to NR-PSSS and the primitive polynomial and CS value applied to NR-SSSS, the primitive polynomial and CS value applied to NR downlink PSS and the primitive polynomial and CS value applied to SSS and Each can be defined separately.
  • various embodiments of the present disclosure may include all possible combinations of one of the Example A families, one of the Example B families, and one of the Example C families.
  • the transmitting terminal when it is defined that an NR sidelink synchronization signal is generated according to a rule corresponding to one combination, the transmitting terminal generates and transmits NR-PSSS and NR-SSSS sequences corresponding to the SLID according to the rule.
  • the receiving terminal may determine the SLID by processing the received NR-PSSS and NR-SSSS sequences.
  • the physical layer sidelink synchronization identification set may be defined as two types, id_net and id_oon, and id_net and id_oon may be defined as 168 sequences, respectively, as follows.
  • id_net ⁇ 0, 1, ..., 167 ⁇
  • id_oon ⁇ 168, 169, ..., 335 ⁇
  • NID (2) ⁇ 0, 1 ⁇
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS.
  • a value distinguished from a CS value applied to the downlink PSS and farthest may be applied as the CS value applied to the sidelink PSS.
  • the raw polynomial and the initialization value for the sidelink SSS can be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may use some of the CS values for the downlink PSS.
  • the raw polynomial and the initialization value for the sidelink SSS can be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • the raw polynomial of Equation 9 is applied to the sidelink SSS, and the CS value may be different from the CS value of the downlink SSS as follows.
  • a value distinguished from the CS value applied to the downlink SSS and farthest (for example, a distance as far as k) may be applied as the CS value applied to the sidelink SSS.
  • one of the first and second primitive polynomials e.g., polynomials corresponding to octal 221 and 203 in Table 5
  • the downlink SSS e.g., table Polynomial corresponding to octal 221 of 5
  • the raw polynomial for downlink PSS can be used as the raw polynomial for downlink PSS.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used.
  • the initialization value for the sidelink PSS primitive polynomial may be the same as the initialization value for the downlink PSS primitive polynomial or any other initialization value may be applied.
  • the primitive polynomial for sidelink PSS may be defined as in Equation 19 below.
  • the primitive polynomial and the initialization value for the sidelink SSS use the same polynomial as the downlink SSS, but the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • the first and second primitive polynomials for the sidelink SSS may be defined as in Equation 20 below.
  • the initialization value for the sidelink SSS primitive polynomial may be the same as the initialization value for the downlink SSS primitive polynomial or any other initialization value may be applied.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • primitive polynomials used for sidelink PSS and SSS may be defined as primitive polynomials belonging to the same maximum connected set (see Table 6).
  • the primitive polynomials for sidelink PSS are the downlinks among polynomials in set 5 that contain primitive polynomials (221, 203 in octal notation) used for downlink PSS and SSS among the maximum connected sets in Table 6.
  • One of the remaining primitive polynomials can be selected except the primitive polynomials used for PSS and SSS.
  • one of the polynomials 253, 271, 367, 345, expressed in octal can be selected as the primitive polynomial for sidelink PSS.
  • a polynomial corresponding to an octal number 253 may be applied as a raw polynomial for sidelink PSS.
  • the initialization value for the sidelink PSS primitive polynomial may be the same as the initialization value for the downlink PSS primitive polynomial or any other initialization value may be applied.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS is one of the polynomials belonging to the same largest connected set as the first primitive polynomial. It can be chosen as one.
  • one of the polynomials corresponding to octets 253, 271, 367, and 345 belonging to the maximum connected set 5 in Table 6 is applied to the sidelink PSS, and the other of the polynomials is the sidelink SSS.
  • a polynomial corresponding to octal 253 is applied for sidelink PSS
  • 253 and 271, or 253 and 367, or 253 and 345 can be applied as first and second primitive polynomials for sidelink SSS. have.
  • polynomials corresponding to octal numbers 253 and 271 may be applied as the first and second primitive polynomials for sidelink SSS as shown in Equation 22 below.
  • the initialization value for the sidelink PSS primitive polynomial may be the same as the initialization value for the downlink SSS primitive polynomial or any other initialization value may be applied.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • the sidelink synchronization signal sequence is compared with the NR downlink synchronization signal sequence using different resources of the sidelink PSS or SSS. An example to distinguish will be described.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • the CS value for the sidelink PSS may be differently applied to the CS value for the downlink PSS.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be differently applied to the CS value for the downlink PSS.
  • the CS value for the sidelink PSS may use a part of the CS value for the downlink PSS.
  • k 21 or 22, but is not limited thereto.
  • the raw polynomial and the initialization value for the sidelink SSS can be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be differently applied to the CS value for the downlink SSS.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • the raw polynomial of Equation 9 is applied to the sidelink SSS, and the CS value may be applied as in the following examples.
  • m0 ⁇ 0, 15 ⁇
  • m0 ⁇ 0 + k, 15 + k ⁇
  • k 45, but is not limited to that value.
  • k 45, but is not limited to that value.
  • m0 ⁇ 0, 15 ⁇
  • m0 ⁇ 0 + k, 15 + k ⁇
  • m0 ⁇ 0, 5 ⁇
  • m0 ⁇ 0 + k, 5 + k ⁇
  • m1 ⁇ 0, 1, ..., 83 ⁇
  • the physical layer sidelink synchronization identification set may be defined as two types, id_net and id_oon, and id_net and id_oon may be defined as 336 sequences as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS. Since the present embodiment corresponds to the embodiment C1-PSS in the combination of the above-described embodiments A1, B1, and C1, redundant description thereof will be omitted.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • This embodiment corresponds to the embodiments C1-SSS in the combination of the above-described embodiments A1, B1 and C1, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 15, 20, 30, 35 ⁇
  • m1 ⁇ 0, 1, ... , 111 ⁇
  • m0 ⁇ 0, 5, 10, 15, 20, 25 ⁇
  • m1 ⁇ 0, 1, ... , 111 ⁇
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may use some of the CS values for the downlink PSS. Since the present embodiment corresponds to the embodiment C2-PSS in the combination of the above-described embodiments A1, B1, and C2, redundant description is omitted.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment corresponds to embodiment C2-SSS in the above-described combination of embodiments A1, B1, and C2, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used. Since the present embodiment corresponds to the embodiment C3-PSS in the combination of the above-described embodiments A1, B1, and C3, redundant description thereof will be omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to the embodiment C3-SSS in the combination of the above-described embodiments A1, B1, and C3, and overlapping description is omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • primitive polynomials used for sidelink PSS and SSS may be defined as primitive polynomials belonging to the same maximum connected set (see Table 6).
  • the selection of the raw polynomial for the sidelink PSS as belonging to one of the maximum connected sets in Table 6 overlaps with the embodiments C4-PSS in the combination of the above-described embodiments A1, B1 and C4. The description will be omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment corresponds to the embodiment C4-SSS in the combination of the above-described embodiments A1, B1 and C4, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the sidelink synchronization signal sequence is compared with the NR downlink synchronization signal sequence using different resources of the sidelink PSS or SSS. An example to distinguish will be described.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • the CS value for the sidelink PSS may be differently applied to the CS value for the downlink PSS.
  • the CS value for the sidelink PSS is different from the CS value for the downlink PSS for id_oon, and the CS value for the sidelink PSS for id_net uses some of the CS values for the downlink PSS.
  • the example to be described corresponds to the embodiment C1 + C2-PSS in the combination of the above-described embodiments A1, B1, C1, and C2, so that redundant description is omitted.
  • the CS value for the sidelink SSS is applied differently from the CS value for the downlink SSS for the id_net, and the CS value for the sidelink SSS for the id_oon uses some of the CS values for the downlink SSS.
  • the example corresponds to the embodiment C1 + C2-SSS in the combination of the above-described embodiments A1, B1, C1, and C2, and thus redundant descriptions are omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • NID (2) 1 (that is, id_oon)
  • m0 ⁇ 0, 15, 30 ⁇ as shown in Equation 24
  • m0 ⁇ 0 + k, 15 + k, 30 + k ⁇ .
  • the physical layer sidelink synchronization identification set may be defined as two types, id_net and id_oon, and id_net and id_oon may be defined as 504 sequences, respectively, as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS. Since the present embodiment corresponds to the embodiment C1-PSS in the combination of the above-described embodiments A1, B1, and C1, redundant description thereof is omitted.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment has the same content of the primitive polynomials and initialization values for embodiments C1-SSS and sidelink SSS in the combination of embodiments A1, B1, and C1 described above, but differs from the example for CS values of sidelink SSS. It is different. Accordingly, duplicate description of corresponding contents will be omitted, and examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may use some of the CS values for the downlink PSS. Since the present embodiment corresponds to the embodiment C2-PSS in the combination of the above-described embodiments A1, B1, and C2, redundant description is omitted.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment corresponds to embodiment C2-SSS in the above-described combination of embodiments A1, B1, and C2, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0 + k, 5 + k, 15 + k, 20 + k, 30 + k, 35 + k, 45 + k, 50 + k, 60 + k, 65 as shown in Equation 15 above.
  • k may be given a value of 65 + k less than 112 out of multiples of 5 greater than 40.
  • m0 ⁇ 0 + k, 5 + k, 10 + k, 15 + k, 20 + k, 25 + k, 30 + k, 35 + k, 40 + k, 45 as shown in Equation 16 above.
  • m0 ⁇ 0 + k, 5 + k, 10 + k, 15 + k, 20 + k, 25 + k, 30 + k, 35 + k, 40 + k, 45 as shown in Equation 18 above.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used. Since the present embodiment corresponds to the embodiment C3-PSS in the combination of the above-described embodiments A1, B1, and C3, redundant description thereof will be omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to the embodiment C3-SSS in the combination of the above-described embodiments A1, B1, and C3, and overlapping description is omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • primitive polynomials used for sidelink PSS and SSS may be defined as primitive polynomials belonging to the same maximum connected set (see Table 6).
  • the selection of the raw polynomial for the sidelink PSS as belonging to one of the maximum connected sets in Table 6 overlaps with the embodiments C4-PSS in the combination of the above-described embodiments A1, B1 and C4. The description will be omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment corresponds to the embodiment C4-SSS in the combination of the above-described embodiments A1, B1 and C4, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the sidelink synchronization signal sequence is compared with the NR downlink synchronization signal sequence using different resources of the sidelink PSS or SSS. An example to distinguish will be described.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • the CS value for the sidelink PSS may be differently applied to the CS value for the downlink PSS.
  • the CS value for the sidelink PSS is different from the CS value for the downlink PSS for id_oon, and the CS value for the sidelink PSS for id_net uses some of the CS values for the downlink PSS.
  • the example to be described corresponds to the embodiment C1 + C2-PSS in the combination of the above-described embodiments A1, B1, C1, and C2, so that redundant description is omitted.
  • the CS value for the sidelink SSS is applied differently from the CS value for the downlink SSS for the id_net, and the CS value for the sidelink SSS for the id_oon uses some of the CS values for the downlink SSS.
  • the example corresponds to the embodiment C1 + C2-SSS in the combination of the above-described embodiments A1, B1, C1, and C2, and thus redundant descriptions are omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • NID (2) 1 (that is, id_oon)
  • m0 ⁇ 0, 15, 30, 45, 60 ⁇
  • NID (2) 0.
  • M0 ⁇ 0 + k, 15 + k, 30 + k, 45 + k, 60 + k ⁇ (i.e., id_net).
  • NID (2) 1 (ie, id_oon)
  • m0 ⁇ 0, 5, 10, 15, 20 ⁇
  • NID (2) 0, as shown in Equation 25 above.
  • M0 ⁇ 0 + k, 5 + k, 10 + k, 15 + k, 20 + k ⁇ (i.e., id_net).
  • k ⁇ 45, 50, 55, ..., 90 ⁇ .
  • k 45, but is not limited to that value.
  • a physical layer sidelink synchronization identification set may be defined as two types, id_net and id_oon, and id_net and id_oon may be defined as 1008 sequences, respectively, as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS. Since the present embodiment corresponds to the embodiment C1-PSS in the combination of the above-described embodiments A1, B1, and C1, redundant description thereof will be omitted.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment has the same content of the primitive polynomials and initialization values for embodiments C1-SSS and sidelink SSS in the combination of embodiments A1, B1, and C1 described above, but differs from the example for CS values of sidelink SSS. It is different. Accordingly, duplicate description of corresponding contents will be omitted, and examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 12 above.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used. Since the present embodiment corresponds to the embodiment C3-PSS in the combination of the above-described embodiments A1, B1, and C3, redundant description thereof will be omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to embodiment C3-SSS in the above-described combination of embodiments A1, B1, and C3, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 12 above.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • primitive polynomials used for sidelink PSS and SSS may be defined as primitive polynomials belonging to the same maximum connected set (see Table 6).
  • the selection of the raw polynomial for the sidelink PSS as belonging to one of the maximum connected sets in Table 6 overlaps with the embodiments C4-PSS in the combination of the above-described embodiments A1, B1 and C4. The description will be omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment has the same contents for the primitive polynomials and initialization values for embodiments C1-SSS and sidelink SSS in the combination of embodiments A1, B1, and C1 described above, but differs from the example for CS values for sidelink SSS. It is different. Accordingly, duplicate description of the corresponding contents will be omitted, and examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 12 above.
  • the sidelink synchronization signal sequence is compared with the NR downlink synchronization signal sequence using different resources of the sidelink PSS or SSS. An example to distinguish will be described.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • the CS value for the sidelink PSS may be differently applied to the CS value for the downlink PSS.
  • the CS value for the sidelink PSS is different from the CS value for the downlink PSS for id_oon, and the CS value for the sidelink PSS for id_net uses some of the CS values for the downlink PSS.
  • the example to be described corresponds to the embodiment C1 + C2-PSS in the combination of the above-described embodiments A1, B1, C1, and C2, so that redundant description is omitted.
  • the CS value for the sidelink SSS is applied differently from the CS value for the downlink SSS for the id_net, and the CS value for the sidelink SSS for the id_oon uses some of the CS values for the downlink SSS.
  • the example corresponds to the embodiment C1 + C2-SSS in the combination of the above-described embodiments A1, B1, C1, and C2, and thus redundant descriptions are omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • NID (2) 1 (that is, id_oon)
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40 ⁇ as shown in Equation 25
  • M0 ⁇ 0 + k, 5 + k, 10 + k, 15 + k, 20 + k, 25 + k, 30 + k, 35 + k
  • NID (2) 0 (i.e. id_net) , 40 + k ⁇ .
  • the physical layer sidelink synchronization identification set may be defined as three types of id_net_1, id_net_2, and id_oon, and id_net_1, id_net_2, and id_oon may be defined as 168 sequences, respectively, as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may use some of the CS values for the downlink SSS.
  • This embodiment corresponds to the embodiments C1-SSS in the combination of the above-described embodiments A1, B1 and C1, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the raw polynomial and initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment corresponds to embodiment C2-SSS in the above-described combination of embodiments A1, B1, and C2, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • k 45, but is not limited to that value.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C3-PSS are the same in the above-described combinations of the embodiments A1, B1, and C3, redundant descriptions are omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to embodiment C3-SSS in the combination of the above-described embodiments A1, B1 and C3, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • the raw polynomial for the sidelink PSS may be selected as one of the polynomials in one of the maximum connected sets in Table 6.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C4-PSS are the same in the combination of the above-described embodiments A1, B1, and C4, redundant descriptions are omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment corresponds to embodiment C4-SSS in the above-described combination of embodiments A1, B1, and C4, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the physical layer sidelink synchronization identification set may be defined as three types of id_net_1, id_net_2, and id_oon, and id_net_1, id_net_2, and id_oon may be defined as 336 sequences, respectively, as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS.
  • CS 0 + k
  • corresponding to 1
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may also be used in the same manner as the CS value for the downlink SSS.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • This embodiment corresponds to embodiment C2-SSS in the above-described combination of embodiments A1, B1, and C2, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0 + k, 5 + k, 10 + k, 15 + k, 20 + k, 25 + k, 30 + k, 35 + k, 40 + k ⁇ , as shown in Equation 15 above.
  • M1 ⁇ 0, 1, ..., 111 ⁇
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C3-PSS are the same in the above-described combinations of the embodiments A1, B1, and C3, redundant descriptions are omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to embodiment C3-SSS in the combination of the above-described embodiments A1, B1 and C3, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • the raw polynomial for the sidelink PSS may be selected as one of the polynomials in one of the maximum connected sets in Table 6.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C4-PSS are the same in the combination of the above-described embodiments A1, B1, and C4, redundant descriptions are omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment corresponds to the embodiment C4-SSS in the combination of the above-described embodiments A1, B1 and C4, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • the physical layer sidelink synchronization identification set may be defined as three types of id_net_1, id_net_2, and id_oon, and id_net_1, id_net_2, and id_oon may be defined as 504 sequences, respectively, as follows.
  • the raw polynomial and the initialization value for the sidelink PSS may be applied in the same way as the downlink PSS.
  • the CS value for the sidelink PSS may be applied differently from the CS value for the downlink PSS.
  • the raw polynomial and the initialization value for the sidelink SSS may be applied in the same way as the downlink SSS.
  • the CS value for the sidelink SSS may be applied differently from the CS value for the downlink SSS.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 13 above.
  • the primitive polynomial for sidelink PSS is one of the first and second primitive polynomials for sidelink SSS, which is different from the primitive polynomial applied to downlink PSS (e.g., in octal 203 of Table 5). Corresponding polynomials) can be used.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C3-PSS are the same in the above-described combinations of the embodiments A1, B1, and C3, redundant descriptions are omitted.
  • the first and second primitive polynomials may be replaced with each other.
  • the first and second primitive polynomials applied to the downlink SSS are defined as polynomials corresponding to the octal methods 221 and 203 of Table 5, respectively (see Equation 9)
  • the first and second primitive polynomials are applied to the sidelink SSS.
  • the second primitive polynomial may be defined as a polynomial corresponding to octal 203 and 221 of Table 5, respectively.
  • This embodiment corresponds to embodiment C3-SSS in the combination of the above-described embodiments A1, B1 and C3, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 13 above.
  • the first and second primitive polynomials different from the downlink SSS may be applied to the sidelink SSS.
  • one of the first and second primitive polynomials for the sidelink SSS can be applied as the primitive polynomial for the sidelink PSS. Accordingly, there may be no overlap between the first and second primitive polynomials used for downlink PSS and SSS and the first and second primitive polynomials used for sidelink PSS and SSS.
  • the raw polynomial for the sidelink PSS may be selected as one of the polynomials in one of the maximum connected sets in Table 6.
  • the contents of the sidelink PSS primitive polynomial and the initialization value in the embodiment C4-PSS are the same in the combination of the above-described embodiments A1, B1, and C4, redundant descriptions are omitted.
  • the first primitive polynomial for sidelink SSS may be selected to be the same as the primitive polynomial for sidelink PSSS, and the second primitive polynomial for sidelink SSS belongs to the same maximum connected set as the first primitive polynomial. It can be chosen as one of the polynomials.
  • This embodiment corresponds to embodiment C4-SSS in the above-described combination of embodiments A1, B1, and C4, and overlapping description thereof will be omitted.
  • examples of the present embodiment for the CS value of the sidelink SSS will be described.
  • m0 ⁇ 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85 ⁇ as shown in Equation 13 above.
  • FIG. 12 is a diagram illustrating a configuration of a first terminal device according to the present disclosure.
  • the first terminal device 1200 may include a processor 1210, an antenna unit 1220, a transceiver 1230, and a memory 1240.
  • the processor 1210 performs baseband related signal processing and may include an upper layer processor 1211 and a physical layer processor 1215.
  • the higher layer processor 1211 may process operations of the MAC layer, the RRC layer, or more higher layers.
  • the physical layer processor 1215 may process operations of the PHY layer (for example, downlink reception signal processing, uplink transmission signal processing, sidelink transmission signal processing, and the like).
  • the processor 1210 may control the overall operation of the first terminal device 1200.
  • the antenna unit 1220 may include one or more physical antennas, and may support MIMO transmission / reception if the antenna unit 1220 includes a plurality of antennas.
  • the transceiver 1230 may include an RF transmitter and an RF receiver.
  • the memory 1240 may store arithmetic processed information of the processor 1210, software, an operating system, an application, etc. related to the operation of the first terminal device 1200, and may include components such as a buffer.
  • the processor 1210 of the first terminal device 1200 may be configured to implement an operation of the first terminal or the SL transmission terminal in the embodiments described in the present invention.
  • the higher layer processor 1211 of the processor 1210 of the first terminal device 1200 may receive a configuration and a parameter for the sidelink synchronization signal from the base station and transmit the configuration and parameters to the physical layer processor 1215.
  • the physical layer processor 1215 may include a sidelink synchronization signal sequence generator 1216 and an SS block generator 1217.
  • the sidelink synchronization signal sequence generation unit 1216 may be based on a sidelink identity (SLID) or a NIDSL. And The value can be determined.
  • SLID sidelink identity
  • NIDSL NIDSL
  • the physical layer sidelink synchronization identification set consists of two types (eg, id_net and id_oon in the example of FIG. 9), or three types (eg, FIG. 9 may include a case consisting of id_net_1, id_net_2, and id_oon.
  • each type of physical layer sidelink synchronization identification set (eg, each of id_net and id_oon in the example of FIG. 9, or each of id_net_1, id_net_2 and id_oon) represents 168 sequences.
  • the case may include 336 sequences, 504 sequences, or 1008 sequences.
  • the number of physical layer sidelink synchronization identification sets and the number of synchronization signal sequences included in each identification set corresponding to the SLID value. And The value can be determined.
  • the sidelink synchronization signal sequence generator 1216 may generate a Primary Sidelink Synchronization Signal (NR-PSSS) sequence by applying a first initialization value to the first primitive polynomial.
  • the transmitting terminal determines a cyclic shift (CS) value to be applied to the generated NR-PSSS sequence. Based on the value, CS can be applied to the NR-PSSS.
  • NR-PSSS Primary Sidelink Synchronization Signal
  • CS cyclic shift
  • the NR sidelink synchronization signal sequence is applied to the NR sidelink synchronization signal sequence by applying that the first primitive polynomial used for generating the NR-PSSS sequence is distinguished from the first primitive polynomial applied to the NR downlink synchronization signal sequence. It may be distinguished from the downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence is distinguished from the NR downlink synchronization signal sequence. You may.
  • the sidelink synchronization signal sequence generator 1216 generates a first Secondary Sidelink Synchronization Signal (NR-SSSS) sequence by applying a second initialization value to the first primitive polynomial, and supplies the second initialization value to the second primitive polynomial. May be applied to generate a second NR-SSSS sequence.
  • NR-SSSS Secondary Sidelink Synchronization Signal
  • various examples of the present disclosure distinguish one or more of the first and / or second primitive polynomials used to generate the NR-SSSS sequence from one or more of the first or second primitive polynomials applied to the NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the sidelink synchronization signal sequence generator 1216 may generate a cyclic shift (CS) value to be applied to the generated first NR-SSSS sequence. And The determination may be made based on the value, and CS may be applied to the first NR-SSSS. In addition, the transmitting terminal determines a cyclic shift (CS) value to be applied to the generated second NR-SSSS sequence. And The determination may be made based on the value, and CS may be applied to the second NR-SSSS.
  • CS cyclic shift
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the sidelink synchronization signal sequence generator 1216 may generate an NR-PSSS modulation symbol by BPSK-modulating the NR-PSSS sequence to which CS is applied.
  • the transmitting terminal may generate a NR-SSSS modulation symbol by multiplying the result of BPSK modulation on the first NR-SSSS sequence to which CS is applied and the result of BPSK modulation on the second NR-SSSS sequence to which CS is applied.
  • the SS block generation unit 1216 maps NR-PSSS modulation symbols on consecutive subcarriers on a frequency in one symbol in one SS block, and NR-SSSS modulation in another symbol in the SS block. Symbols may be mapped onto contiguous subcarriers on frequency.
  • the physical layer processor 1215 may generate and transmit a sidelink synchronization signal based on a modulation symbol mapped on a time-frequency resource.
  • FIG. 13 is a diagram illustrating a configuration of a second terminal device according to the present disclosure.
  • the second terminal device 1300 may include a processor 1310, an antenna unit 1320, a transceiver 1330, and a memory 1340.
  • the processor 1310 performs baseband related signal processing and may include an upper layer processor 1311 and a physical layer processor 1315.
  • the higher layer processor 1311 may process operations of the MAC layer, the RRC layer, or more higher layers.
  • the physical layer processor 1315 may process operations of the PHY layer (eg, downlink received signal processing, uplink transmission signal processing, sidelink received signal processing, and the like).
  • the processor 1310 may control the overall operation of the second terminal device 1300.
  • the antenna unit 1320 may include one or more physical antennas, and may support MIMO transmission / reception if the antenna unit includes a plurality of antennas.
  • the transceiver 1330 may include an RF transmitter and an RF receiver.
  • the memory 1340 may store computationally processed information of the processor 1310, software, an operating system, an application, and the like related to the operation of the second terminal device 1300, and may include components such as a buffer.
  • the processor 1310 of the second terminal device 1300 may be configured to implement an operation of the second terminal or the SL receiving terminal in the embodiments described in the present invention.
  • the higher layer processor 1311 of the processor 1310 of the second terminal device 1300 may receive a setting and a parameter for the sidelink synchronization signal from the base station and transfer it to the physical layer processor 1315.
  • the physical layer processor 1315 may include an SS block processor 1316 and a sidelink synchronization signal sequence processor 1317.
  • the SS block processing unit 1316 may receive the SS block from the first terminal 1200.
  • the SS block processing unit 1316 detects an NR-PSSS modulation symbol mapped to contiguous subcarriers on a frequency in one symbol in one SS block, and consecutively on frequency in another symbol in the SS block.
  • the NR-SSSS modulation symbol mapped to the subcarriers can be detected.
  • the sidelink synchronization signal sequence processor 1317 may determine the NR-PSSS sequence to which CS is applied from the detected NR-PSSS modulation symbol. In addition, the sidelink synchronization signal sequence processor 1317 may determine the first NR-SSSS sequence to which CS is applied and the second NR-SSSS sequence to which CS is applied from the detected NR-SSSS modulation symbols.
  • the sidelink synchronizing signal sequence processor 1317 may be configured from the first raw polynomial and the CS value applied to the determined NR-PSSS sequence. The value can be calculated.
  • the NR sidelink synchronization signal sequence is applied to the NR sidelink synchronization signal sequence by applying that the first primitive polynomial used for generating the NR-PSSS sequence is distinguished from the first primitive polynomial applied to the NR downlink synchronization signal sequence. It may be distinguished from the downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence is distinguished from the NR downlink synchronization signal sequence. You may.
  • the sidelink synchronization signal sequence processor 1317 may know in advance what the first raw polynomial and the candidate CS value are applicable to generate the NR-PSSS sequence, the CS value applied to the NR-PSSS is determined from the determined NR-PSSS sequence. What is it, and from the identified CS value The value can be calculated.
  • the sidelink synchronization signal sequence processor 1317 may, from the CS value applied to the determined first NR-SSSS sequence and the CS value applied to the second NR-SSSS sequence, The value can be calculated.
  • one or more of the first or second primitive polynomials used to generate the NR-SSSS sequence is distinguished from one or more of the first or second primitive polynomials applied to the NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • a CS value for a first NR-SSSS sequence or a CS value for a second NR-SSSS sequence is distinguished from a CS value applied to an NR downlink synchronization signal sequence.
  • the NR sidelink synchronization signal sequence may be distinguished from the NR downlink synchronization signal sequence.
  • the sidelink synchronization signal sequence processor 1317 may know in advance what the first and second raw polynomials and the candidate CS values applicable to the first and second NR-SSSS sequence generation are, and thus the determined first and second NRs. Check the CS value applied to each NR-PSSS from the SSSS sequence, and confirm the identified CS value and the calculated value in step S1130. From value The value can be calculated.
  • the sidelink synchronization signal sequence processor 1317 may determine the SLID (or NIDSL) value from the calculated NID (1) value and the NID (2) value.
  • the physical layer sidelink synchronization identification set consists of two types (eg, id_net and id_oon in the example of FIG. 9), or three types (eg, FIG. 9 may include a case consisting of id_net_1, id_net_2, and id_oon.
  • each type of physical layer sidelink synchronization identification set (eg, each of id_net and id_oon in the example of FIG. 9, or each of id_net_1, id_net_2 and id_oon) represents 168 sequences.
  • the case may include 336 sequences, 504 sequences, or 1008 sequences.
  • the sidelink synchronization signal sequence processor 1317 may know in advance what is the number of physical layer sidelink synchronization identification sets and the number of synchronization signal sequences included in each identification set, And The SLID value corresponding to the value may be determined.
  • Exemplary methods of the present disclosure are represented as a series of operations for clarity of description, but are not intended to limit the order in which the steps are performed, and each step may be performed simultaneously or in a different order as necessary.
  • the illustrated step may further include other steps, may include remaining steps except for some steps, or may include additional other steps except for some steps.
  • various embodiments of the present disclosure may be implemented by hardware, firmware, software, a combination thereof, or the like.
  • one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), General Purpose It may be implemented by a general processor, a controller, a microcontroller, a microprocessor, and the like.
  • the present invention can be applied to various systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

La présente invention concerne un procédé et un dispositif d'émission/réception d'un signal de synchronisation de liaison latérale dans un système de communication sans fil. Selon un mode de réalisation de la présente invention, un procédé d'émission d'un signal de synchronisation de liaison latérale par un premier terminal à un second terminal dans un système de communication sans fil peut comprendre les étapes consistant : à déterminer une valeur NID(1) et une valeur NID(2) correspondant à une valeur d'identifiant de liaison latérale (SLID) en fonction du nombre de types d'ensembles d'identification de synchronisation de liaison latérale de couche physique et du nombre de séquences incluses dans chacun des types d'ensembles d'identification de synchronisation de liaison latérale de couche physique ; à générer une séquence de signal de synchronisation primaire de liaison latérale (PSS) et une séquence de signal de synchronisation secondaire de liaison latérale (SSS) en fonction d'un premier polynôme primitif, d'un second polynôme primitif et d'une valeur de décalage cyclique (CS) ; et à effectuer une transmission après le mappage de la séquence PSS de liaison latérale et de la séquence SSS de liaison latérale sur une ressource physique.
PCT/KR2019/010173 2018-08-10 2019-08-09 Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil WO2020032754A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19846704.5A EP3836649A4 (fr) 2018-08-10 2019-08-09 Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil
CN201980053334.6A CN112567828A (zh) 2018-08-10 2019-08-09 在无线通信系统中传送和接收侧链路同步信号的方法和装置
US17/167,350 US11588569B2 (en) 2018-08-10 2021-02-04 Method and apparatus for transmitting and receiving sidelink synchronization signal in wireless communication system
US18/153,291 US11929825B2 (en) 2018-08-10 2023-01-11 Method and apparatus for transmitting and receiving sidelink synchronization signal in wireless communication system
US18/432,864 US20240250767A1 (en) 2018-08-10 2024-02-05 Method and apparatus for transmitting and receiving sidelink synchronization signal in wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0093879 2018-08-10
KR1020180093879A KR102492403B1 (ko) 2018-08-10 2018-08-10 무선 통신 시스템에서 사이드링크 동기화 신호 송수신 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/167,350 Continuation US11588569B2 (en) 2018-08-10 2021-02-04 Method and apparatus for transmitting and receiving sidelink synchronization signal in wireless communication system

Publications (1)

Publication Number Publication Date
WO2020032754A1 true WO2020032754A1 (fr) 2020-02-13

Family

ID=69413613

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/010173 WO2020032754A1 (fr) 2018-08-10 2019-08-09 Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil

Country Status (5)

Country Link
US (3) US11588569B2 (fr)
EP (1) EP3836649A4 (fr)
KR (3) KR102492403B1 (fr)
CN (1) CN112567828A (fr)
WO (1) WO2020032754A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020167891A1 (fr) * 2019-02-14 2020-08-20 Apple Inc. Conception d'un signal de synchronisation nr sidelink pour des cas d'utilisation de véhicule-à-tout améliorés avec traitement optimisé du côté récepteur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10536859B2 (en) 2017-08-15 2020-01-14 Charter Communications Operating, Llc Methods and apparatus for dynamic control and utilization of quasi-licensed wireless spectrum
WO2020033086A1 (fr) * 2018-08-09 2020-02-13 Convida Wireless, Llc Formation de faisceaux et regroupement pour v2x en nr
WO2020060214A1 (fr) * 2018-09-20 2020-03-26 엘지전자 주식회사 Procédé et terminal d'émission et de réception de signal dans un système de communication sans fil
CN111490998B (zh) * 2019-01-25 2022-02-25 大唐移动通信设备有限公司 一种信息处理方法、装置、终端及计算机可读存储介质
CN112188446B (zh) * 2019-07-05 2022-04-08 大唐移动通信设备有限公司 一种同步信号发送方法、终端及装置、存储介质
US11877344B2 (en) * 2020-12-14 2024-01-16 Charter Communications Operating, Llc Apparatus and methods for wireless coverage enhancement using technology detection
CN115119298A (zh) * 2022-07-12 2022-09-27 上海应用技术大学 一种适用于5g-v2x的同步方法
KR102616723B1 (ko) * 2023-06-09 2023-12-21 주식회사 아이티텔레콤 차량 사물 간 통신 지원 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170112799A (ko) * 2016-04-01 2017-10-12 주식회사 아이티엘 V2x 통신에서 동기화 방법 및 장치
WO2018008981A1 (fr) * 2016-07-05 2018-01-11 한국전자통신연구원 Procédé et dispositif de transmission à l'aide de la numérologie, et procédé et dispositif de planification à l'aide de la numérologie

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3178172B1 (fr) * 2014-08-06 2022-11-02 Sharp Kabushiki Kaisha Signaux de synchronisation pour communications de dispositif à dispositif
CN110545578B (zh) * 2014-08-11 2021-09-24 Lg 电子株式会社 在无线通信系统中发送同步信号的方法
KR102329949B1 (ko) * 2016-07-05 2021-11-23 한국전자통신연구원 뉴머롤러지를 이용한 전송 방법 및 장치, 그리고 뉴머롤러지를 이용한 스케줄링 방법 및 장치
WO2018031061A1 (fr) 2016-08-10 2018-02-15 Intel Corporation Conception de signaux de référence de démodulation de liaison latérale
CN114726473A (zh) * 2017-01-09 2022-07-08 苹果公司 同步信号发送和接收
US11991000B2 (en) * 2018-09-28 2024-05-21 Lg Electronics Inc. Method and device for transmitting preemptive message related to sidelink communication in NR V2X
WO2020091348A1 (fr) * 2018-10-28 2020-05-07 엘지전자 주식회사 Procédé au moyeu duquel un terminal met en oeuvre une opération de liaison latérale dans un système de communication sans fil et terminal utilisant le procédé
WO2020167891A1 (fr) * 2019-02-14 2020-08-20 Apple Inc. Conception d'un signal de synchronisation nr sidelink pour des cas d'utilisation de véhicule-à-tout améliorés avec traitement optimisé du côté récepteur
KR20220140547A (ko) * 2020-03-06 2022-10-18 엘지전자 주식회사 취약한 도로 사용자들로 구성된 클러스터에 대한 정보 전송 방법 및 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170112799A (ko) * 2016-04-01 2017-10-12 주식회사 아이티엘 V2x 통신에서 동기화 방법 및 장치
WO2018008981A1 (fr) * 2016-07-05 2018-01-11 한국전자통신연구원 Procédé et dispositif de transmission à l'aide de la numérologie, et procédé et dispositif de planification à l'aide de la numérologie

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Cell Identification in V2V", 3GPP TSG RAN WG4 MEETING #80 R4-166144, 12 August 2016 (2016-08-12), Gothenburg, Sweden, XP051141211 *
HUAWEI: "SLSS and PSBCH design for V2V PC5", R1-164866, 3GPP TSG RAN WG1 #85, 14 May 2016 (2016-05-14), Nanjing, China, XP051089893 *
ITL: "Mathematical analysis based on theorems of M-sequence for NR-SSS", R1-1708320, 3GPP TSG RAN WG1 #89, 6 May 2017 (2017-05-06), Hangzhou, China, XP051262360 *
See also references of EP3836649A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020167891A1 (fr) * 2019-02-14 2020-08-20 Apple Inc. Conception d'un signal de synchronisation nr sidelink pour des cas d'utilisation de véhicule-à-tout améliorés avec traitement optimisé du côté récepteur

Also Published As

Publication number Publication date
US11588569B2 (en) 2023-02-21
EP3836649A4 (fr) 2022-05-04
US20210167883A1 (en) 2021-06-03
US11929825B2 (en) 2024-03-12
US20230216600A1 (en) 2023-07-06
CN112567828A (zh) 2021-03-26
KR102617835B1 (ko) 2023-12-27
KR20230018506A (ko) 2023-02-07
KR20200018090A (ko) 2020-02-19
KR20240004147A (ko) 2024-01-11
KR102492403B1 (ko) 2023-01-27
EP3836649A1 (fr) 2021-06-16
US20240250767A1 (en) 2024-07-25

Similar Documents

Publication Publication Date Title
WO2020032754A1 (fr) Procédé et dispositif d'émission/réception de signal de synchronisation de liaison latérale dans un système de communication sans fil
WO2018203726A1 (fr) Appareil et procédé de communication d'un signal de référence destiné à un canal de diffusion
WO2020167019A1 (fr) Procédé, dispositif terminal, station de base, support lisible par ordinateur pour mesurer une interférence de liaison croisée, et procédés et appareils pour attribution, détermination, et transmission de données, de préambule d'accès aléatoire
AU2018390050B2 (en) A method and an apparatus for handling a bandwidth part inactivity timer in wireless communication system
WO2018203724A1 (fr) Station de base, terminal, procédé de détection de préambule d'accès aléatoire et procédé de configuration de canal d'accès aléatoire
WO2018174665A1 (fr) Procédé et appareil d'émission et de réception de signal de référence de démodulation
WO2014010956A1 (fr) Procédé de découverte pour une communication de dispositif à dispositif entre des terminaux
EP3636035A1 (fr) Station de base, terminal, procédé de détection de préambule d'accès aléatoire et procédé de configuration de canal d'accès aléatoire
WO2018026253A1 (fr) Procédé de transmission de demande de programmation dans un système de communications sans fil, et appareil s'y rapportant
WO2018143537A1 (fr) Procédé de suivi de bruit de phase dans un système de communication sans fil, et dispositif associé
WO2017123060A1 (fr) Système, procédé et appareil de suivi de faisceau et de fonctionnement de rétroaction faisceau dans un système à base de formation de faisceau
WO2017200315A1 (fr) Procédé de suivi de bruit de phase dans un système de communications sans fil, et appareil associé
WO2018174643A1 (fr) Procédé d'attribution de csi-rs pour la gestion de faisceaux
EP3698500A1 (fr) Procédé et appareil de transmission d'informations de demande de répétition automatique hybride dans un système de communication sans fil
WO2017026754A1 (fr) Procédé et appareil pour émettre et recevoir un signal dans un réseau de communication
WO2019074267A1 (fr) Procédé permettant de transmettre et recevoir un srs et dispositif de communication associé
WO2019139405A1 (fr) Procédé et appareil de transmission d'informations de demande de répétition automatique hybride dans un système de communication sans fil
EP3656178A1 (fr) Procédé et dispositif d'établissement de connectivité double
WO2016072771A1 (fr) Procédé et appareil de configuration de signal de synchronisation pour communication d2d
EP3387756A1 (fr) Système, procédé et appareil de suivi de faisceau et de fonctionnement de rétroaction faisceau dans un système à base de formation de faisceau
WO2019235808A1 (fr) Système et procédé de détermination d'occasions de radiomessagerie associées à une transmission et une réception de radiomessagerie
WO2020067715A1 (fr) Procédé et dispositif pour configurer un nœud en vue de la transmission et de la réception de données
WO2019027180A1 (fr) Procédé permettant de transmettre et de recevoir un signal de synchronisation dans un système de communication
WO2020167076A1 (fr) Procédé permettant de générer une séquence à faible papr dans un système de communication sans fil, et appareil correspondant
WO2020032704A1 (fr) Procédé et dispositif pour l'exécution d'une procédure de synchronisation dans un système v2x nr

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19846704

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2019846704

Country of ref document: EP

Effective date: 20210310